OKOTH, Ursulla A. Transformational Leadership Practices in Curriculum Implementation (Environmental Education) in Secondary Schools in Siaya County, Kenya. European Scientific Journal, ESJ, [S. l.], v. 14, n. 10, p. 320, 2018. DOI: 10.19044/esj.2018.v14n10p320. Disponível em: https://test.eujournal.org/index.php/esj/article/view/10749. Acesso em: 19 apr. 2025.